Question: Who was Ada Lovelace's husband when she died on November 27, 1852?
Paraphrase: At the time of her death on November 27, 1852, Ada Lovelace was married to what man?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q7259 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1852')) }